[PATCH v5 2/7] efi/libstub: Make initrd file loader configurable

[Geert Uytterhoeven]

Hoi Ard,

On Tue, Jun 16, 2020 at 10:16 AM Ard Biesheuvel <ardb at kernel.org> wrote:
> On Tue, 16 Jun 2020 at 09:55, Geert Uytterhoeven <geert at linux-m68k.org> wrote:
> > On Wed, Apr 22, 2020 at 7:24 PM Ard Biesheuvel <ardb at kernel.org> wrote:
> > > Loading an initrd passed via the kernel command line is deprecated: it
> > > is limited to files that reside in the same volume as the one the kernel
> > > itself was loaded from, and we have more flexible ways to achieve the
> > > same. So make it configurable so new architectures can decide not to
> > > enable it.
> > >
> > > Signed-off-by: Ard Biesheuvel <ardb at kernel.org>
> >
> > Thanks for your patch, which is now commit cf6b83664895a5c7
> > ("efi/libstub: Make initrd file loader configurable")!
> >
> > > --- a/drivers/firmware/efi/Kconfig
> > > +++ b/drivers/firmware/efi/Kconfig
> > > @@ -124,6 +124,17 @@ config EFI_ARMSTUB_DTB_LOADER
> > >           functionality for bootloaders that do not have such support
> > >           this option is necessary.
> > >
> > > +config EFI_GENERIC_STUB_INITRD_CMDLINE_LOADER
> > > +       bool "Enable the command line initrd loader"
> > > +       depends on EFI_GENERIC_STUB
> > > +       default y
> > > +       help
> > > +         Select this config option to add support for the initrd= command
> > > +         line parameter, allowing an initrd that resides on the same volume
> > > +         as the kernel image to be loaded into memory.
> > > +
> > > +         This method is deprecated.
> >
> > So why the default y?
>
> Every time I try to disable something like this, someone pops out of
> the woodwork to explain how the feature is so vitally important for
> their highly bespoke and vertically integrated boot flow that it has
> to be enabled by default for absolutely everybody.
>
> But patches welcome :-)

Done
https://lore.kernel.org/linux-efi/20200623150935.32181-1-geert+renesas@glider.be/

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds